Patent US2995654A successfully refreshed from Google Patents.
US2995654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superheterodyne television receiver
Assignee: US Philips Corp
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Filing: 1959-10-28
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Granted: 1961-08-08
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Expires: 1979-10-28
Abstract
No abstract record available.
Inventors
- 👤 Korver Jan Abraham Cornelis
- 👤 Janssen Peter Johanne Hubertus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:34
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/245; H; H04; H04N; H04N5/00; H04N5/44; H04N5/50; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/229; C03C2217/23; C03C2217/24; C03C2217/242; C03C2218/00; C03C2218/10; C03C2218/15; C03C2218/151; C03C2218/152
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |